from PIL import Image
from PIL import ImageFilter
from PIL import ImageDraw
from PIL import ImageFont
import random

# 打开一个jpg图像文件，注意是当前路径:
im = Image.open('_01_pillow.jpg')
# 获得图像尺寸:
w, h = im.size
print('Original image size: %sx%s' % (w, h))
# 缩放到50%:
im.thumbnail((w//2, h//2))
print('Resize image to: %sx%s' % (w//2, h//2))
# 把缩放后的图像用jpeg格式保存:
im.save('thumbnail.jpg', 'jpeg')

# 打开一个jpg图像文件，注意是当前路径:
im2 = Image.open('_01_pillow.jpg')
# 应用模糊滤镜:
im2 = im.filter(ImageFilter.BLUR)
im2.save('blur.jpg', 'jpeg')


def rndChar():  # 随机字符
    return chr(random.randint(2, 500))


def rndColor1():
    return (random.randint(64, 255), random.randint(64, 255), random.randint(64, 255))


def rndColor2():
    return (random.randint(32, 127), random.randint(32, 127), random.randint(32, 127))


width = 60 * 4
height = 60
image = Image.new("RGB", (width, height), (255, 255, 255))
font = ImageFont.truetype("C:\Windows\Fonts\Arial\ARIALN.TTF", 36)
draw = ImageDraw.Draw(image)
for x in range(width):
    for y in range(height):
        draw.point((x, y), fill=rndColor1())
for t in range(4):
    draw.text((60*t+10, 10), rndChar(), font=font, fill=rndColor2())
image.save("code.jpg", "jpeg")
